... max1.00 max16.0~18.0 0.40~0.800.04 max0.02 max fair corrosion resistanceHardenable HRC 58 Min2 details ... rod ball, chemical ball, aviation ball, aerospace stainless steel ball: perfume bottle ball, sprayer ball valve, ball valve, ball, adorn article ball, mobile phone plate steel ball, the ball rings, earrings ball ...